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The effect of magnesium and nickel as alloying elements in AlCuSiC composites

Nina Dahl - No affiliation found

1991/03/30 Full-length article DOI: 10.1016/0921-5093(91)90553-Y Journal: Materials Science and Engineering: A

Abstract:

AbstractThe influence of additions of magnesium and nickel to a binary AlCu base reinforced with SiC whiskers has been investigated. The composites were produced by squeeze casting with the reinforcement as preforms containing 12 and 25 vol.% SiC whiskers. The results show that magnesium has a deleterious effect, giving poorer mechanical properties. Nickel has only a marginal influence at room temperature, and worsens the mechanical properties at elevated temperatures.